Home / 3,857.49-5,786.46-1,084.08

Finding the Fourth Proportional to 3,857.49, 5,786.46 and 1,084.08

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Solution

The fourth proportional to 3,857.49, 5,786.46 and 1,084.08 is: 1,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.49 : 5,786.46 = 1,084.08 : x
  2. Step 2: Convert to fraction form
    3,857.49/5,786.46 = 1,084.08/x
  3. Step 3: Cross multiply
    3,857.49x = 5,786.46 × 1,084.08
  4. Step 4: Simplify right side
    3,857.49x = 6,272,985.56
  5. Step 5: Solve for x
    x = 6,272,985.56/3,857.49
  6. Step 6: Final answer
    x = 1,626.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.